DK1719116T3 - Skift fra ACELP- til TCX-indkodningstilstand - Google Patents

Skift fra ACELP- til TCX-indkodningstilstand

Info

Publication number
DK1719116T3
DK1719116T3 DK05706494.1T DK05706494T DK1719116T3 DK 1719116 T3 DK1719116 T3 DK 1719116T3 DK 05706494 T DK05706494 T DK 05706494T DK 1719116 T3 DK1719116 T3 DK 1719116T3
Authority
DK
Denmark
Prior art keywords
acelp
switch
encoding mode
tcx encoding
tcx
Prior art date
Application number
DK05706494.1T
Other languages
English (en)
Inventor
Bruno Bessette
Original Assignee
Voiceage Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Voiceage Corp filed Critical Voiceage Corp
Application granted granted Critical
Publication of DK1719116T3 publication Critical patent/DK1719116T3/da

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DK05706494.1T 2004-02-18 2005-02-18 Skift fra ACELP- til TCX-indkodningstilstand DK1719116T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002457988A CA2457988A1 (en) 2004-02-18 2004-02-18 Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
PCT/CA2005/000220 WO2005078706A1 (en) 2004-02-18 2005-02-18 Methods and devices for low-frequency emphasis during audio compression based on acelp/tcx

Publications (1)

Publication Number Publication Date
DK1719116T3 true DK1719116T3 (da) 2013-11-04

Family

ID=34842422

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05706494.1T DK1719116T3 (da) 2004-02-18 2005-02-18 Skift fra ACELP- til TCX-indkodningstilstand

Country Status (12)

Country Link
US (2) US7979271B2 (da)
EP (1) EP1719116B1 (da)
JP (1) JP4861196B2 (da)
CN (1) CN1957398B (da)
AU (1) AU2005213726A1 (da)
BR (1) BRPI0507838A (da)
CA (2) CA2457988A1 (da)
DK (1) DK1719116T3 (da)
ES (1) ES2433043T3 (da)
PT (1) PT1719116E (da)
RU (1) RU2389085C2 (da)
WO (1) WO2005078706A1 (da)

Families Citing this family (196)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7483386B2 (en) * 2005-03-31 2009-01-27 Alcatel-Lucent Usa Inc. Adaptive threshold setting for discontinuous transmission detection
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
FR2888699A1 (fr) * 2005-07-13 2007-01-19 France Telecom Dispositif de codage/decodage hierachique
JP4876574B2 (ja) 2005-12-26 2012-02-15 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
TWI333643B (en) * 2006-01-18 2010-11-21 Lg Electronics Inc Apparatus and method for encoding and decoding signal
US20090299755A1 (en) * 2006-03-20 2009-12-03 France Telecom Method for Post-Processing a Signal in an Audio Decoder
ATE533289T1 (de) * 2006-05-26 2011-11-15 Incard Sa Verfahren zum implementieren von voice over ip mittels eines mit einem paketorientierten netz verbundenen elektronischen geräts
KR20070115637A (ko) * 2006-06-03 2007-12-06 삼성전자주식회사 대역폭 확장 부호화 및 복호화 방법 및 장치
US8682652B2 (en) 2006-06-30 2014-03-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
CA2656423C (en) * 2006-06-30 2013-12-17 Juergen Herre Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
KR101040160B1 (ko) * 2006-08-15 2011-06-09 브로드콤 코포레이션 패킷 손실 후의 제한되고 제어된 디코딩
US8239190B2 (en) * 2006-08-22 2012-08-07 Qualcomm Incorporated Time-warping frames of wideband vocoder
JP4827661B2 (ja) * 2006-08-30 2011-11-30 富士通株式会社 信号処理方法及び装置
WO2008035949A1 (en) * 2006-09-22 2008-03-27 Samsung Electronics Co., Ltd. Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding
US7966175B2 (en) * 2006-10-18 2011-06-21 Polycom, Inc. Fast lattice vector quantization
US7953595B2 (en) 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
USRE50158E1 (en) 2006-10-25 2024-10-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
USRE50132E1 (en) 2006-10-25 2024-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
JPWO2008053970A1 (ja) * 2006-11-02 2010-02-25 パナソニック株式会社 音声符号化装置、音声復号化装置、およびこれらの方法
US8639500B2 (en) * 2006-11-17 2014-01-28 Samsung Electronics Co., Ltd. Method, medium, and apparatus with bandwidth extension encoding and/or decoding
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
EP1927981B1 (en) * 2006-12-01 2013-02-20 Nuance Communications, Inc. Spectral refinement of audio signals
WO2008072671A1 (ja) * 2006-12-13 2008-06-19 Panasonic Corporation 音声復号化装置およびパワ調整方法
FR2911031B1 (fr) * 2006-12-28 2009-04-10 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
FR2911020B1 (fr) * 2006-12-28 2009-05-01 Actimagine Soc Par Actions Sim Procede et dispositif de codage audio
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
CN101231850B (zh) * 2007-01-23 2012-02-29 华为技术有限公司 编解码方法及装置
US20080208575A1 (en) * 2007-02-27 2008-08-28 Nokia Corporation Split-band encoding and decoding of an audio signal
EP2128858B1 (en) * 2007-03-02 2013-04-10 Panasonic Corporation Encoding device and encoding method
JP4871894B2 (ja) * 2007-03-02 2012-02-08 パナソニック株式会社 符号化装置、復号装置、符号化方法および復号方法
GB0704622D0 (en) * 2007-03-09 2007-04-18 Skype Ltd Speech coding system and method
US8630863B2 (en) * 2007-04-24 2014-01-14 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding audio/speech signal
CN101321033B (zh) * 2007-06-10 2011-08-10 华为技术有限公司 帧补偿方法及系统
CN102271024B (zh) * 2007-06-10 2014-04-30 华为技术有限公司 帧补偿方法及系统
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
WO2009001874A1 (ja) * 2007-06-27 2008-12-31 Nec Corporation オーディオ符号化方法、オーディオ復号方法、オーディオ符号化装置、オーディオ復号装置、プログラム、およびオーディオ符号化・復号システム
CN100583649C (zh) 2007-07-23 2010-01-20 华为技术有限公司 矢量编/解码方法、装置及流媒体播放器
EP2172928B1 (en) * 2007-07-27 2013-09-11 Panasonic Corporation Audio encoding device and audio encoding method
JP5045295B2 (ja) * 2007-07-30 2012-10-10 ソニー株式会社 信号処理装置及び方法、並びにプログラム
JP5098492B2 (ja) * 2007-07-30 2012-12-12 ソニー株式会社 信号処理装置及び信号処理方法、並びにプログラム
KR101410229B1 (ko) * 2007-08-20 2014-06-23 삼성전자주식회사 오디오 신호의 연속 정현파 신호 정보를 인코딩하는 방법및 장치와 디코딩 방법 및 장치
PT2186089T (pt) * 2007-08-27 2019-01-10 Ericsson Telefon Ab L M Método e dispositivo para descodificação espetral percetual de um sinal áudio que inclui preenchimento de buracos espetrais
CN101939782B (zh) 2007-08-27 2012-12-05 爱立信电话股份有限公司 噪声填充与带宽扩展之间的自适应过渡频率
CN100524462C (zh) 2007-09-15 2009-08-05 华为技术有限公司 对高带信号进行帧错误隐藏的方法及装置
EP2198426A4 (en) * 2007-10-15 2012-01-18 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING A SIGNAL
WO2009085232A1 (en) * 2007-12-20 2009-07-09 Integrated Device Technology, Inc. Estimation of true motion vectors using an adaptive search range
US8649437B2 (en) * 2007-12-20 2014-02-11 Qualcomm Incorporated Image interpolation with halo reduction
CN101572092B (zh) * 2008-04-30 2012-11-21 华为技术有限公司 编解码端的固定码本激励的搜索方法及装置
WO2010005360A1 (en) * 2008-07-08 2010-01-14 Scalado Ab Method for compressing images and a format for compressed images
CA2729665C (en) * 2008-07-10 2016-11-22 Voiceage Corporation Variable bit rate lpc filter quantizing and inverse quantizing device and method
EP2144230A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
BRPI0910511B1 (pt) * 2008-07-11 2021-06-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Aparelho e método para decodificar e codificar um sinal de áudio
PL2311034T3 (pl) * 2008-07-11 2016-04-29 Fraunhofer Ges Forschung Koder i dekoder audio do kodowania ramek próbkowanego sygnału audio
EP2144231A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme with common preprocessing
JP5551694B2 (ja) 2008-07-11 2014-07-16 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 多くのスペクトルエンベロープを計算するための装置および方法
EP2304719B1 (en) * 2008-07-11 2017-07-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, methods for providing an audio stream and computer program
KR101381513B1 (ko) * 2008-07-14 2014-04-07 광운대학교 산학협력단 음성/음악 통합 신호의 부호화/복호화 장치
PT2146344T (pt) * 2008-07-17 2016-10-13 Fraunhofer Ges Forschung Esquema de codificação/descodificação de áudio com uma derivação comutável
CN102099857B (zh) * 2008-07-18 2013-03-13 杜比实验室特许公司 用于解码器中的编码音频数据的频域后滤波的方法和系统
US8407046B2 (en) * 2008-09-06 2013-03-26 Huawei Technologies Co., Ltd. Noise-feedback for spectral envelope quantization
US8515747B2 (en) * 2008-09-06 2013-08-20 Huawei Technologies Co., Ltd. Spectrum harmonic/noise sharpness control
US8532998B2 (en) 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Selective bandwidth extension for encoding/decoding audio/speech signal
WO2010028292A1 (en) * 2008-09-06 2010-03-11 Huawei Technologies Co., Ltd. Adaptive frequency prediction
US8577673B2 (en) * 2008-09-15 2013-11-05 Huawei Technologies Co., Ltd. CELP post-processing for music signals
WO2010031003A1 (en) 2008-09-15 2010-03-18 Huawei Technologies Co., Ltd. Adding second enhancement layer to celp based core layer
WO2010032992A2 (ko) * 2008-09-18 2010-03-25 한국전자통신연구원 Mdct기반의 코너와 이종의 코더간 변환에서의 인코딩 장치 및 디코딩 장치
CN102177426B (zh) * 2008-10-08 2014-11-05 弗兰霍菲尔运输应用研究公司 多分辨率切换音频编码/解码方案
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
US20100114568A1 (en) * 2008-10-24 2010-05-06 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
KR101610765B1 (ko) * 2008-10-31 2016-04-11 삼성전자주식회사 음성 신호의 부호화/복호화 방법 및 장치
FR2938688A1 (fr) * 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466672B (en) * 2009-01-06 2013-03-13 Skype Speech coding
GB2466671B (en) * 2009-01-06 2013-03-27 Skype Speech encoding
GB2466669B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466674B (en) * 2009-01-06 2013-11-13 Skype Speech coding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
EP2249333B1 (en) * 2009-05-06 2014-08-27 Nuance Communications, Inc. Method and apparatus for estimating a fundamental frequency of a speech signal
KR20110001130A (ko) * 2009-06-29 2011-01-06 삼성전자주식회사 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
WO2011013983A2 (en) 2009-07-27 2011-02-03 Lg Electronics Inc. A method and an apparatus for processing an audio signal
WO2011034377A2 (en) * 2009-09-17 2011-03-24 Lg Electronics Inc. A method and an apparatus for processing an audio signal
US8452606B2 (en) * 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
WO2011042464A1 (en) * 2009-10-08 2011-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping
PL2489041T3 (pl) 2009-10-15 2020-11-02 Voiceage Corporation Jednoczesne kształtowanie szumu w dziedzinie czasu i w dziedzinie częstotliwości dla przekształcenia tdac
WO2011048099A1 (en) 2009-10-20 2011-04-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule
BR112012009490B1 (pt) * 2009-10-20 2020-12-01 Fraunhofer-Gesellschaft zur Föerderung der Angewandten Forschung E.V. ddecodificador de áudio multimodo e método de decodificação de áudio multimodo para fornecer uma representação decodificada do conteúdo de áudio com base em um fluxo de bits codificados e codificador de áudio multimodo para codificação de um conteúdo de áudio em um fluxo de bits codificados
TWI435317B (zh) * 2009-10-20 2014-04-21 Fraunhofer Ges Forschung 音訊信號編碼器、音訊信號解碼器、用以提供音訊內容之編碼表示型態之方法、用以提供音訊內容之解碼表示型態之方法及使用於低延遲應用之電腦程式
EP4362014A1 (en) * 2009-10-20 2024-05-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation
ES2936307T3 (es) 2009-10-21 2023-03-16 Dolby Int Ab Sobremuestreo en un banco de filtros de reemisor combinado
BR122021008583B1 (pt) 2010-01-12 2022-03-22 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador de áudio, decodificador de áudio, método de codificação e informação de áudio, e método de decodificação de uma informação de áudio que utiliza uma tabela hash que descreve tanto valores de estado significativos como limites de intervalo
CN104252862B (zh) 2010-01-15 2018-12-18 Lg电子株式会社 处理音频信号的方法和装置
US8537283B2 (en) 2010-04-15 2013-09-17 Qualcomm Incorporated High definition frame rate conversion
EP2559032B1 (en) * 2010-04-16 2019-01-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for generating a wideband signal using guided bandwidth extension and blind bandwidth extension
WO2011132368A1 (ja) * 2010-04-19 2011-10-27 パナソニック株式会社 符号化装置、復号装置、符号化方法及び復号方法
CA3160488C (en) 2010-07-02 2023-09-05 Dolby International Ab Audio decoding with selective post filtering
AU2016202478B2 (en) * 2010-07-02 2016-06-16 Dolby International Ab Pitch filter for audio signals and method for filtering an audio signal with a pitch filter
US20120029926A1 (en) 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals
US8489391B2 (en) * 2010-08-05 2013-07-16 Stmicroelectronics Asia Pacific Pte., Ltd. Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replication
US9208792B2 (en) * 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
US9008811B2 (en) 2010-09-17 2015-04-14 Xiph.org Foundation Methods and systems for adaptive time-frequency resolution in digital data coding
US8738385B2 (en) * 2010-10-20 2014-05-27 Broadcom Corporation Pitch-based pre-filtering and post-filtering for compression of audio signals
HRP20240863T1 (hr) * 2010-10-25 2024-10-11 Voiceage Evs Llc Kodiranje generičkih audio signala pri niskim bitskim brzinama i malim kašnjenjem
JP6000854B2 (ja) 2010-11-22 2016-10-05 株式会社Ｎｔｔドコモ 音声符号化装置および方法、並びに、音声復号装置および方法
EP2658281A1 (en) * 2010-12-20 2013-10-30 Nikon Corporation Audio control device and image capture device
AU2011350143B9 (en) * 2010-12-29 2015-05-14 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding for high-frequency bandwidth extension
US20130346073A1 (en) * 2011-01-12 2013-12-26 Nokia Corporation Audio encoder/decoder apparatus
JP5743137B2 (ja) * 2011-01-14 2015-07-01 ソニー株式会社 信号処理装置および方法、並びにプログラム
PL3471092T3 (pl) 2011-02-14 2020-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekodowanie pozycji impulsów ścieżek sygnału audio
CN103534754B (zh) 2011-02-14 2015-09-30 弗兰霍菲尔运输应用研究公司 在不活动阶段期间利用噪声合成的音频编解码器
AU2012217153B2 (en) * 2011-02-14 2015-07-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
CA2827000C (en) 2011-02-14 2016-04-05 Jeremie Lecomte Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
AU2012217216B2 (en) 2011-02-14 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
CN102959620B (zh) 2011-02-14 2015-05-13 弗兰霍菲尔运输应用研究公司 利用重迭变换的信息信号表示
SG192746A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for processing a decoded audio signal in a spectral domain
AR085895A1 (es) 2011-02-14 2013-11-06 Fraunhofer Ges Forschung Generacion de ruido en codecs de audio
ES2534972T3 (es) * 2011-02-14 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predicción lineal basada en esquema de codificación utilizando conformación de ruido de dominio espectral
MY159444A (en) * 2011-02-14 2017-01-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Encoding and decoding of pulse positions of tracks of an audio signal
US9626982B2 (en) * 2011-02-15 2017-04-18 Voiceage Corporation Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec
US8838442B2 (en) 2011-03-07 2014-09-16 Xiph.org Foundation Method and system for two-step spreading for tonal artifact avoidance in audio coding
WO2012122297A1 (en) 2011-03-07 2012-09-13 Xiph. Org. Methods and systems for avoiding partial collapse in multi-block audio coding
US9009036B2 (en) * 2011-03-07 2015-04-14 Xiph.org Foundation Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding
JP5648123B2 (ja) 2011-04-20 2015-01-07 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音声音響符号化装置、音声音響復号装置、およびこれらの方法
NO2669468T3 (da) * 2011-05-11 2018-06-02
KR102053900B1 (ko) 2011-05-13 2019-12-09 삼성전자주식회사 노이즈 필링방법, 오디오 복호화방법 및 장치, 그 기록매체 및 이를 채용하는 멀티미디어 기기
US8873763B2 (en) 2011-06-29 2014-10-28 Wing Hon Tsang Perception enhancement for low-frequency sound components
JP6190373B2 (ja) * 2011-10-24 2017-08-30 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． オーディオ信号ノイズ減衰
WO2013061584A1 (ja) * 2011-10-28 2013-05-02 パナソニック株式会社 音信号ハイブリッドデコーダ、音信号ハイブリッドエンコーダ、音信号復号方法、及び音信号符号化方法
EP2590409B1 (en) * 2011-11-01 2015-01-07 BlackBerry Limited Multi-level significance maps for encoding and decoding
WO2013118476A1 (ja) * 2012-02-10 2013-08-15 パナソニック株式会社 音響／音声符号化装置、音響／音声復号装置、音響／音声符号化方法および音響／音声復号方法
CN103325373A (zh) 2012-03-23 2013-09-25 杜比实验室特许公司 用于传送和接收音频信号的方法和设备
ES2644131T3 (es) * 2012-06-28 2017-11-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predicción lineal basada en una codificación de audio utilizando un estimador mejorado de distibución de probabilidad
KR101434206B1 (ko) * 2012-07-25 2014-08-27 삼성전자주식회사 신호 복호화 장치
US9325544B2 (en) * 2012-10-31 2016-04-26 Csr Technology Inc. Packet-loss concealment for a degraded frame using replacement data from a non-degraded frame
JP6335190B2 (ja) * 2012-12-21 2018-05-30 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 低ビットレートで背景ノイズをモデル化するためのコンフォートノイズ付加
CN103915100B (zh) * 2013-01-07 2019-02-15 中兴通讯股份有限公司 一种编码模式切换方法和装置、解码模式切换方法和装置
CN103928031B (zh) * 2013-01-15 2016-03-30 华为技术有限公司 编码方法、解码方法、编码装置和解码装置
KR101434207B1 (ko) 2013-01-21 2014-08-27 삼성전자주식회사 오디오/스피치 신호 부호화방법
PL2951820T3 (pl) * 2013-01-29 2017-06-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób wyboru jednego spośród pierwszego algorytmu kodowania i drugiego algorytmu kodowania
KR101757347B1 (ko) * 2013-01-29 2017-07-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. 지각적 변환 오디오 코딩에서의 노이즈 채움
RU2676242C1 (ru) * 2013-01-29 2018-12-26 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Декодер для формирования аудиосигнала с улучшенной частотной характеристикой, способ декодирования, кодер для формирования кодированного сигнала и способ кодирования с использованием компактной дополнительной информации для выбора
AU2014211520B2 (en) 2013-01-29 2017-04-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Low-frequency emphasis for LPC-based coding in frequency domain
EP2954517B1 (en) 2013-02-05 2016-07-27 Telefonaktiebolaget LM Ericsson (publ) Audio frame loss concealment
US9478221B2 (en) 2013-02-05 2016-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced audio frame loss concealment
ES2881510T3 (es) * 2013-02-05 2021-11-29 Ericsson Telefon Ab L M Método y aparato para controlar la ocultación de pérdida de trama de audio
US9842598B2 (en) 2013-02-21 2017-12-12 Qualcomm Incorporated Systems and methods for mitigating potential frame instability
LT3537437T (lt) * 2013-03-04 2021-06-25 Voiceage Evs Llc Kvantavimo triukšmo mažinimo laikiniame dekoderyje įrenginys ir būdas
CN105247613B (zh) 2013-04-05 2019-01-18 杜比国际公司 音频处理系统
US9247342B2 (en) 2013-05-14 2016-01-26 James J. Croft, III Loudspeaker enclosure system with signal processor for enhanced perception of low frequency output
PL3011557T3 (pl) 2013-06-21 2017-10-31 Fraunhofer Ges Forschung Urządzenie i sposób do udoskonalonego stopniowego zmniejszania sygnału w przełączanych układach kodowania sygnału audio podczas ukrywania błędów
MX371425B (es) * 2013-06-21 2020-01-29 Fraunhofer Ges Forschung Aparato y metodo para la ocultacion mejorada del libro de codigo adaptativo en la ocultacion similar a acelp mediante la utilizacion de una estimacion mejorada del retardo de tono.
PL3011555T3 (pl) 2013-06-21 2018-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Rekonstrukcja ramki sygnału mowy
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
KR101434209B1 (ko) 2013-07-19 2014-08-27 삼성전자주식회사 오디오/스피치 신호 부호화장치
EP2830061A1 (en) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
CN105761723B (zh) * 2013-09-26 2019-01-15 华为技术有限公司 一种高频激励信号预测方法及装置
PL3355305T3 (pl) * 2013-10-31 2020-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu
PL3288026T3 (pl) 2013-10-31 2020-11-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem ukrywania błędów na bazie sygnału pobudzenia w dziedzinie czasu
CA2927990C (en) * 2013-10-31 2018-08-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio bandwidth extension by insertion of temporal pre-shaped noise in frequency domain
WO2015069177A1 (en) * 2013-11-07 2015-05-14 Telefonaktiebolaget L M Ericsson (Publ) Methods and devices for vector segmentation for coding
FR3013496A1 (fr) * 2013-11-15 2015-05-22 Orange Transition d'un codage/decodage par transformee vers un codage/decodage predictif
US9293143B2 (en) 2013-12-11 2016-03-22 Qualcomm Incorporated Bandwidth extension mode selection
EP2887350B1 (en) 2013-12-19 2016-10-05 Dolby Laboratories Licensing Corporation Adaptive quantization noise filtering of decoded audio data
CN104751849B (zh) 2013-12-31 2017-04-19 华为技术有限公司 语音频码流的解码方法及装置
EP4095854B1 (en) * 2014-01-15 2024-08-07 Samsung Electronics Co., Ltd. Weight function determination device and method for quantizing linear prediction coding coefficient
EP2916319A1 (en) 2014-03-07 2015-09-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for encoding of information
CN104934035B (zh) * 2014-03-21 2017-09-26 华为技术有限公司 语音频码流的解码方法及装置
GB2524333A (en) * 2014-03-21 2015-09-23 Nokia Technologies Oy Audio signal payload
KR101826237B1 (ko) 2014-03-24 2018-02-13 니폰 덴신 덴와 가부시끼가이샤 부호화 방법, 부호화 장치, 프로그램 및 기록 매체
JP6035270B2 (ja) * 2014-03-24 2016-11-30 株式会社Ｎｔｔドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム
CN107452390B (zh) * 2014-04-29 2021-10-26 华为技术有限公司 音频编码方法及相关装置
KR101967810B1 (ko) * 2014-05-28 2019-04-11 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 데이터 프로세서 및 사용자 제어 데이터의 오디오 디코더들과 렌더러들로의 전송
EP4002359A1 (en) * 2014-06-10 2022-05-25 MQA Limited Digital encapsulation of audio signals
CN105225671B (zh) 2014-06-26 2016-10-26 华为技术有限公司 编解码方法、装置及系统
EP3000110B1 (en) * 2014-07-28 2016-12-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selection of one of a first encoding algorithm and a second encoding algorithm using harmonics reduction
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
EP2980796A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for processing an audio signal, audio decoder, and audio encoder
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
TWI602172B (zh) * 2014-08-27 2017-10-11 弗勞恩霍夫爾協會 使用參數以加強隱蔽之用於編碼及解碼音訊內容的編碼器、解碼器及方法
FR3025923A1 (fr) * 2014-09-12 2016-03-18 Orange Discrimination et attenuation de pre-echos dans un signal audionumerique
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
US9613628B2 (en) 2015-07-01 2017-04-04 Gopro, Inc. Audio decoder for wind and microphone noise reduction in a microphone array system
EP3340925B1 (en) 2015-08-28 2020-09-23 Tc1 Llc Blood pump controllers and methods of use for improved energy efficiency
US10008214B2 (en) * 2015-09-11 2018-06-26 Electronics And Telecommunications Research Institute USAC audio signal encoding/decoding apparatus and method for digital radio services
JP6807033B2 (ja) * 2015-11-09 2021-01-06 ソニー株式会社 デコード装置、デコード方法、およびプログラム
US9986202B2 (en) 2016-03-28 2018-05-29 Microsoft Technology Licensing, Llc Spectrum pre-shaping in video
US10770082B2 (en) * 2016-06-22 2020-09-08 Dolby International Ab Audio decoder and method for transforming a digital audio signal from a first to a second frequency domain
CN107845385B (zh) 2016-09-19 2021-07-13 南宁富桂精密工业有限公司 信息隐藏的编解码方法及系统
RU2744362C1 (ru) 2017-09-20 2021-03-05 Войсэйдж Корпорейшн Способ и устройство для эффективного распределения битового бюджета в celp-кодеке
EP3701523B1 (en) * 2017-10-27 2021-10-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise attenuation at a decoder
US10847172B2 (en) * 2018-12-17 2020-11-24 Microsoft Technology Licensing, Llc Phase quantization in a speech encoder
US20220180884A1 (en) * 2019-05-07 2022-06-09 Voiceage Corporation Methods and devices for detecting an attack in a sound signal to be coded and for coding the detected attack
TWI789577B (zh) * 2020-04-01 2023-01-11 同響科技股份有限公司 音訊資料重建方法及系統
AU2022400064A1 (en) * 2021-12-01 2024-06-06 Panasonic Intellectual Property Corporation Of America Encoding device, decoding device, encoding method, and decoding method

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61242117A (ja) 1985-04-19 1986-10-28 Fujitsu Ltd ブロツクフロ−テイング方式
GB9512284D0 (en) 1995-06-16 1995-08-16 Nokia Mobile Phones Ltd Speech Synthesiser
US6092041A (en) 1996-08-22 2000-07-18 Motorola, Inc. System and method of encoding and decoding a layered bitstream by re-applying psychoacoustic analysis in the decoder
JPH1084284A (ja) 1996-09-06 1998-03-31 Sony Corp 信号再生方法および装置
JP3307875B2 (ja) 1998-03-16 2002-07-24 松下電送システム株式会社 符号化音声再生装置および符号化音声再生方法
US7272556B1 (en) 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and audio signals
US6003224A (en) 1998-10-16 1999-12-21 Ford Motor Company Apparatus for assembling heat exchanger cores
US6691082B1 (en) * 1999-08-03 2004-02-10 Lucent Technologies Inc Method and system for sub-band hybrid coding
JP2001117573A (ja) * 1999-10-20 2001-04-27 Toshiba Corp 音声スペクトル強調方法／装置及び音声復号化装置
US6819275B2 (en) 2000-09-08 2004-11-16 Koninklijke Philips Electronics N.V. Audio signal compression
JP3478267B2 (ja) 2000-12-20 2003-12-15 ヤマハ株式会社 ディジタルオーディオ信号圧縮方法および圧縮装置
JP3942882B2 (ja) 2001-12-10 2007-07-11 シャープ株式会社 ディジタル信号符号化装置およびそれを備えたディジタル信号記録装置
CA2388358A1 (en) 2002-05-31 2003-11-30 Voiceage Corporation A method and device for multi-rate lattice vector quantization
CA2388352A1 (en) 2002-05-31 2003-11-30 Voiceage Corporation A method and device for frequency-selective pitch enhancement of synthesized speed
CA2388439A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
DE602004025517D1 (de) 2004-05-17 2010-03-25 Nokia Corp Audiocodierung mit verschiedenen codierungsrahmenlängen
US7596486B2 (en) 2004-05-19 2009-09-29 Nokia Corporation Encoding an audio signal using different audio coder modes

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